Questions related to R8, the default shrinker tool used in the Android build process
R8 is a tool designed to replace ProGuard as the default shrinker in the Android build process
Questions tagged [android-r8]
303 questions
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0 answers
Getting an unclear runtime error message when using proguard
so whenever I uncomment the
//proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
line in my app module's build.gradle file, my app crashes at runtime. If I keep this line commented, my app works…
Sbeve
- 91
- 2
- 16
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0 answers
Execution failed for task ':app:minifyReleaseWithR8'. Cannot constrain type: @Null NULL for value: ... by constraint: INT
When I try to generate .apk file minifyR8 gives error like this
Execution failed for task ':app:minifyReleaseWithR8'. Cannot constrain type: @Null NULL for value: v59(0) by constraint: INT
It happens after I updated Android Studio, changed…
MaxB
- 635
- 1
- 9
- 22
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1 answer
How to convert the crash log into a readable form when using minifyEnabled and proguard?
My project has the following settings:
buildTypes {
release {
minifyEnabled true
shrinkResources true
proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
…
MaxB
- 635
- 1
- 9
- 22
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votes
1 answer
r8 does not create output dex file
I'm trying to use r8 without much success:
$ wget https://repo1.maven.org/maven2/com/mikepenz/fastadapter/3.2.7/fastadapter-3.2.7.aar
$ wget https://maven.google.com/com/android/support/recyclerview-v7/26.0.1/recyclerview-v7-26.0.1.aar
$ unzip…
OrenIshShalom
- 5,974
- 9
- 37
- 87
0
votes
1 answer
Android Getting R8 error: Already has a mapping when trying to run UI tests with minified build
I want to be able to run UI tests on a minified build. However when I run
./gradlew connectedDebugAndroidTest
I get this error:
> Task :app:minifyDebugAndroidTestWithR8
R8: 'void…
odiggity
- 1,496
- 16
- 29
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1 answer
Missing class: androidx.paging.PositionalDataSource
When processing files with R8 it cannot find androidx.paging.PositionalDataSource:
> Task :minifyReleaseWithR8
AGPBI: {"kind":"warning","text":"Missing class: androidx.paging.PositionalDataSource","sources":[{}],"tool":"R8"}
How to mute this…
Martin Zeitler
- 1
- 19
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- 216
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0 answers
How do you use proguard just to replace class names and variables?
I had a horrible time with proguard and ultimately decided not to use it to remove code. Instead I intent to use it just to replace the variable and classes name just so that my code is not all available with a simple JDAX decompile. Anyone knows…
JoanaBrew
- 11
- 4
0
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1 answer
Enabling ProGuard and code minification and obfuscation
I have fully built app that is already used by people on Google Play.
Currently on my to-do list is enabling pro-guard and enable code minification and obfuscation.
I tried enabling it, but I it seems to me that minification does something that…
Vitaliy-T
- 733
- 6
- 23
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2 answers
Is there a way to log filenames in release build using timber for android?
I just started using timber for logging on android, we are trying to add filenames/class-names to log message. I was able to add filenames in debug build using debug tree, but I'm not finding a way to add filenames in the release tree. Is there a…
stallianz
- 176
- 1
- 17
0
votes
1 answer
NavController don't renamed after obfuscation
Why after obfuscation in androidx.navigation NavControllerViewModel renamed, but NavController don't renamed?
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votes
1 answer
Duplicate DatabindingComponent class found while generating bundle
I get this error when i try to generate App Bundle for release.
Component used:
'com.android.tools.build:gradle:4.1.0'
'com.google.gms:google-services:4.3.4'
Version used:
Android studio 4.1
:app:minifyReleaseWithR8…
Eshiet
- 53
- 7
0
votes
1 answer
rawQuery() always executes immediately, no matter how long the actual query takes
I have been pulling my hair out for hours trying to understand why a pretty straight-forward Android code breaks the fundamental synchronization in my app.
The method below always executes immediately, despite the fact that it has an…
DmitryO.
- 973
- 5
- 8
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0 answers
How to disable a specific Proguard/R8 rule for a third-party library
I am using minifyEnabled true in build.gradle (for obfuscation and size reduction purposes).
I have these proguard-rules.pro:
-keep class com.some3rdpartylibrary.** { *; } // otherwise it crashes
# repack obfuscated classes into single package so…
c0dehunter
- 6,412
- 16
- 77
- 139
0
votes
1 answer
Release build with R8 not excluding classes
I'm facing some issues when compiling the release version of my app.
I'm currently using Room and I have my model classes are under:
com.example.room.entity
and in order to let the app working I'm using a proguard rule
-keepattributes…
Matteo Bucci
- 51
- 3
0
votes
1 answer
Android Progaurd rules package names regex
I need to add my Json Model data classes to progaurd rules.
But my model classes are located in several packages.
Eg., assume model classes are present in the following…
Karthikeyan Subramanian
- 81
- 1
- 3